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Finding the Fourth Proportional to 297,672.30, 446,535.09 and 84,442.23

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Solution

The fourth proportional to 297,672.30, 446,535.09 and 84,442.23 is: 126,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,672.30 : 446,535.09 = 84,442.23 : x
  2. Step 2: Convert to fraction form
    297,672.30/446,535.09 = 84,442.23/x
  3. Step 3: Cross multiply
    297,672.30x = 446,535.09 × 84,442.23
  4. Step 4: Simplify right side
    297,672.30x = 37,706,418,772.85
  5. Step 5: Solve for x
    x = 37,706,418,772.85/297,672.30
  6. Step 6: Final answer
    x = 126,670.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.